new york times." >> host: and what was its purpose? was it a defense mechanism? was it the defense department? >> guest: no. it was purely a offensive, preemptive effort the slow the nuclear weapons processing capability of iran. >> host: well, you mentioned charlie miller, and mr. miller is in st. louis, and he joins us today on "the communicators." mr. miller, what was your, what was your goal in breaking into the iphone? >> guest: well, in that particular case it was for a contest, like robert mentioned. they have this contest every year, hackers across the world enter it, and they have various devices. if you can break into the devices, you win some cash and the device itself. so that was my goal. i won that contest a few times. earlier in my career it was more about showing that things like iphones or, you know, desktops running apple software were vulnerable because it wasn't believed that it was, but now it's just, you know, i've shown vulnerables in iphone, i've found attacks where i can take over an iphone in the past. all these are fixed now because part of the contest is